Early years
Crompton started racing in 1972 at age eleven on a Honda minibike before graduating to motocross where he had some success.
In 1985 he moved to racing cars and has raced in various, mostly sedan-based categories, starting in a Series Production specification Mitsubishi Cordia. Racing categories that he has contested include V8 Supercars, Super Touring Cars, Group A Touring Cars, Sports Sedans, as well as the open-wheel categories of Formula Holden and Formula 3000.
Crompton's first big break in motor sport came when he was selected by Peter Brock as a driver in the Holden Dealer Team's second Group A VL Commodore for the long-distance races in late 1987. This included drives in the 1987 Sandown 500 at Sandown where he and Formula 2 ace Jon Crooke finished a creditable 4th, and later at the Bob Jane T-Marts 500 at Calder Park which was Round 9 of the 1987 World Touring Car Championship. He was to have made his Bathurst 1000 debut in 1987 a week before the race at Calder, but was one race short of gaining the appropriate FIA licence needed (he was reportedly to drive a Subaru in a Series Production race at Winton which would have secured the one needed signature for his licence, but the car was uncompetitive and he declined to drive as he "Didn't want to look like a wally", thus losing his chance). In a cruel twist, the #10 Commodore he was to have driven would go on to win the race in the hands of Brock, David Parsons, and his replacement for the race, Peter McLeod. Late in the Channel 7 telecast of the James Hardie 1000, his 'boss', lead commentator and producer of the telecast Mike Raymond, light heartedly pointed this out to Crompton when the Commodore was in third place behind the Eggenberger Motorsport Ford Sierra RS500s which would eventually be disqualified for technical irregularities. All Crompton could say in reply was "Don't remind me" and "The thought has crossed my mind".
Crompton remained with Brock's team for 1988, though by that time they had switched to running BMW M3s. He made his Australian Touring Car Championship debut that year, driving the third of the team's cars to 8th in Round 8 at Amaroo Park, and 9th in the final round at Oran Park. After a promising start to the endurance races with where he and David Parsons finished 4th in the Pepsi 250 at Oran Park (won by Brock and Jim Richards), he failed to finish at both Sandown and Bathurst.
In 1989 Crompton joined the Holden Racing Team, staying with them until the end of 1991. The HRT announced plans to run the new Holden VL Commodore SS Group A SV in the 1989 ATCC alongside former triple British Touring Car Champion Win Percy, but the team did not appear on the race track in the ATCC and would not race until that years Sandown 500.
Although he did not have a regular ATCC seat with HRT, he co-drove the team's second Commodore in the three years with the team, though results were not forthcoming. He also started racing Formula Holden in 1989, finishing third in the Australian Drivers' Championship and scoring his first race win in Round 7 at Sydney's Amaroo Park circuit before going on to win the 10th and final round at Sandown in Melbourne. He scored his first pole position at Amaroo park with a time of 44.04, 3/10ths of a second under the outright circuit record set by John Bowe in the Veskanda-Chevrolet Sports car in 1986 and had hoped to break Bowe's lap record of 44.36 in the race. However, with the Gold Star race being held late on the day's program he was unable to do so as previous races had reportedly left a lot of oil on the circuit. [2] At the end of the year he drove in the Tea Tree Trophy Formula Holden support race at the 1989 Australian Grand Prix in Adelaide. There he qualified in 5th place and eventually finished in 6th. [3]
Crompton continued to race the Peter Boylan owned, ex-Satoru Nakajima Ralt RT20 in the 1990 Australian Drivers' Championship, though results weren't as forthcoming with his best place being a second in Round 5 behind touring car rival Mark Skaife at Oran Park and finished 4th in the championship. He finished his 1990 Formula Holden season on a high note, qualifying his Ralt (complete with its usual Dulux Autocolour multi-coloured blue, yellow, red and green paint scheme that was not unlike that of the Formula One Benettons) on the front row and then driving it to victory in the Thalgo Trophy Formula Holden support race at the 1990 Australian Grand Prix. [4]
In 1991, Crompton drove a 6 cyl Holden VN Commodore S with Peter Brock and motoring journalist/race driver Peter McKay to win Class C and finish 4th outright in the inaugural Bathurst 12 Hour. Unfortunately his Formula Holden season never got off the ground and he missed the 1991 series, though he did lease Simon Kane's car and went on to finish 3rd in the Formula Holden support race at the 1991 Australian Grand Prix. [5]
Crompton returned to the Brock team for the first half of the 1992 ATCC, with a best finish of 7th in Round 3 at Symmons Plains. With the team short of funds to run two Holden VNs, Crompton left the team mid-season and returned to the Seven commentary booth, though he did drive in the final round of the 1992 Australian Drivers' Championship at Oran Park in Sydney where he finished in third place behind two future television co-commentators, series champion Mark Skaife and runner up Mark Larkham. He then joined Gibson Motorsport for the 1992 Bathurst 1000 in the team's second 4WD, twin turbo Nissan GT-R. In a race marred by heavy rain, accidents, and the death of 1967 Formula One World Champion Denny Hulme from a heart attack, Crompton and his Swedish co-driver Anders Olofsson finished 3rd in the crash shortened race, with Crompton giving the unruly crowd the finger from the podium on national television.
In 1993, Crompton ran the ATCC in one of the few Holden V8 powered VP Commodores in the field for Bob Forbes Racing (most of the top Holden teams were using the 5.0 L Chevrolet V8). His first full ATCC ended with a disappointing 13th-place finish in the standings. He then went to 1993 Bathurst 1000 where he qualified the car 10th after spinning on oil during his Tooheys Top 10 runoff lap. Crompton complained on camera after his lap that there was no warning of oil until he got to The Chase (the fastest corner on a race track anywhere in Australia taken at some 280 km/h (174 mph)), but it was later found that it was in fact his car that had dropped the oil and other drivers reported it to be all around the 6.213 km (3.861 mi) circuit.
In 1994 he joined Wayne Gardner in Gardner's newly established Wayne Gardner Racing.
In 1997 Crompton headed to the US to compete in the new North American Touring Car Championship in a Honda Accord run by the Tasman Motorsports team. Crompton was quickly on the pace, and won several races and was in contention for the championship, before a disqualification (which he still disputes) precluded him from winning the title. Crompton also tested one of Tasman's Champ Cars at Gingerman Raceway.
Later years
In 1998 Crompton attained second place in the 1998 Century Batteries Three Hour Bathurst Showroom Showdown.
In 1998 he started with Glenn Seton Racing, continuing with the team in its new identity as Ford Tickford Racing in 1999. He then moved to Gibson Motorsport, later renamed 00 Motorsport, in 2001 where he was teamed with Craig Lowndes before leaving at the end of the 2002 season.
Despite being a full-time television commentator, Crompton continues to compete in races when he can, particularly endurance races. Most recently he finished 17th in the 2009 Bathurst 12 Hour race, completing 222 laps (1,379 km / 857 miles) driving a Mitsubishi Lancer Evolution X with Glenn Seton. Crompton occasionally competes in the Aussie Racing Cars series and has also competed in the Australian Rally Championship.
Crompton also competed in the 2003 Bathurst 24 Hour driving a 5.0 L V8 powered BMW M3 GTR for Australian Nations Cup Championship team Prancing Horse Racing. The car (co-driven by John Bowe, Greg Crick and Maher Algadrie), which had only arrived from the United States a week before the race, qualified in 3rd place but failed to finish after Algadrie hit the wall on top of Mount Panorama following a clash with the race winning Holden Monaro 427C of Peter Brock on its 131st lap. [6]
Crompton also works on the organisational side of V8 Supercar, contributing to TEGA's Parity Board, which works to ensure that none of the competing marques gain any significant advantage over the other.
Australian 
